- 1. FC Heidenheim
- 1. FC Kaiserslautern
- 1. FC Köln
- 1. FC Magdeburg
- 1. FC Nürnberg
- 1. FC Saarbrücken
- 1. FSV Mainz 05
- 1. FSV Mainz 05 II
- 1959 Southeast Asian Peninsular Games
- 2. Bundesliga
- 3. Liga
- A-League (USA)
- ACF Fiorentina
- AC Ajaccio
- AC Cesena
- AC Horsens
- AC Milan
- AC St. Louis
- AC Syracuse Pulse
- ADO Den Haag
- AEK Athens
- AE Kifisia
- AFC Championship Game
- AFC East
- AFC Eskilstuna
- AFC North
- AFC South
- AFC West
- AFC Wimbledon
- AGF
- AIK
- AJ Auxerre
- ALCS
- AL Central
- AL East
- AL West
- AS Cittadella
- AS Livorno
- AS Monaco
- AS Roma
- AS Varese
- AZ Alkmaar
- Aalborg
- Aarau
- Abbotsford Heat
- Aberdeen
- Aberdeen Arsenal
- Aberdeen IronBirds
- Abilene Aviators
- Abilene Bombers
- Abilene Ruff Riders
- Acadiana Mudbugs
- Académica de Coimbra
- Accrington Stanley
- Acereros de Monclova
- Adana Demirspor
- Adanaspor
- Adelaide Rams
- Adirondack Flames
- Adirondack Frostbite
- Adirondack IceHawks
- Adirondack Lumberjacks
- Adirondack Phantoms
- Adirondack Red Wings
- Adirondack Thunder
- Admira Wacker Mödling
- Admiral Vladivostok
- Agua Caliente Clippers
- Ajax
- Ak Bars Kazan
- Akhisar Belediyespor
- Akron Aeros
- Akron RubberDucks
- Akwesasne Warriors
- Alabama Hammers
- Alabama Outlawz
- Alabama Slammers
- Alabama Steeldogs
- Alabama Vipers
- Alanyaspor
- Alaska Aces
- Alaska Gold Kings
- Alaska Wild
- Albacete
- Albany-Colonie Diamond Dogs
- Albany-Colonie Yankees
- Albany A's
- Albany Attack
- Albany Choppers
- Albany Conquest
- Albany Devils
- Albany Empire
- Albany Empire (NAL)
- Albany Firebirds
- Albany Firebirds (2009)
- Albany Panthers
- Albany Patroons
- Albany Polecats
- Albany River Rats
- Albany Senators
- Alberta Dusters
- Alberta Oilers
- Albion
- Albion San Diego
- Albuquerque Dodgers
- Albuquerque Dukes
- Albuquerque Geckos
- Albuquerque Isotopes
- Albuquerque Silvers
- Albuquerque Six-Guns
- Albuquerque Thunderbirds
- Alcorcón
- Aldosivi
- Alessandria
- Alexandria Dukes
- Alexandria Mariners
- Alexandria Warthogs
- Algodoneros Union Laguna
- Alianza Petrolera
- All American Hockey League
- Allen Americans
- Allen Wranglers
- Allentown Ambassadors
- Allentown Jets
- Alliance of American Football
- Allsvenskan
- Altay
- Altoona Curve
- Amarillo Dusters
- Amarillo Giants
- Amarillo Gold Sox
- Amarillo Gorillas
- Amarillo Rattlers
- Amarillo Sod Poodles
- Amarillo Sox
- Amarillo ThunderHeads
- Amarillo Venom
- Amarillo Wranglers
- American Association
- American Association (20th century)
- American Basketball Association
- American Defenders of New Hampshire
- American Football Conference
- American Football League
- American Hockey League
- American League
- Amiens
- Amkar Perm
- Amorebieta
- Amsterdam Admirals
- Amur Khabarovsk
- América Mineiro
- América de Cali
- Anaheim Amigos
- Anaheim Angels
- Anaheim Arsenal
- Anaheim Bullfrogs
- Anaheim Ducks
- Anaheim Mighty Ducks
- Anaheim Piranhas
- Anaheim Storm
- Anchorage Aces
- Anchorage Northern Knights
- Anderlecht
- Anderson Braves
- Andorra
- Angers
- Ankaragücü
- Annecy
- Antalyaspor
- Antigua Barracuda
- Antofagasta
- Anzhi Makhachkala
- Apollon Smyrni
- Appalachian League
- Appleton Foxes
- Arena Football 2
- Arena Football League
- Argentine Primera División
- Argentinos Juniors
- Aris Thessaloniki
- Arizona Adrenaline
- Arizona Cardinals
- Arizona Coyotes
- Arizona Diamondbacks
- Arizona Hotshots
- Arizona Outlaws
- Arizona Rattlers
- Arizona Sting
- Arizona Sundogs
- Arizona United
- Arizona Wranglers
- Arkansas Diamonds
- Arkansas GlacierCats
- Arkansas RimRockers
- Arkansas RiverBlades
- Arkansas Travelers
- Arkansas Twisters
- Arles-Avignon
- Arminia Bielefeld
- Arouca
- Arsenal
- Arsenal Tula
- Arsenal de Sarandi
- Ascoli
- Asheville Aces
- Asheville Altitude
- Asheville Orioles
- Asheville Smoke
- Asheville Tourists
- Asteras Tripolis
- Aston Villa
- Atalanta
- Atenas
- Athletic Bilbao
- Athletic Bilbao B
- Atlant Moscow Oblast
- Atlanta Apollos
- Atlanta Blaze
- Atlanta Braves
- Atlanta Chiefs
- Atlanta Dream
- Atlanta Falcons
- Atlanta Fire Ants
- Atlanta Flames
- Atlanta Gladiators
- Atlanta Hawks
- Atlanta Knights
- Atlanta Krunk
- Atlanta Legends
- Atlanta Ruckus
- Atlanta SC
- Atlanta Silverbacks
- Atlanta Thrashers
- Atlanta United 2
- Atlanta United FC
- Atlantic (NBA)
- Atlantic (NHL)
- Atlantic City Blackjacks
- Atlantic City Boardwalk Bullies
- Atlantic City Hi-Rollers
- Atlantic City Surf
- Atlantic Coast Hockey League
- Atlantic League of Professional Baseball
- Atlantic Schooners
- Atlas
- Atlético Bucaramanga
- Atlético Goianiense
- Atlético Huila
- Atlético Madrid
- Atlético Mineiro
- Atlético Nacional
- Atlético Paranaense
- Atlético San Luis
- Atlético Tucumán
- Atlético de Rafaela
- Atromitos
- Auburn Astros
- Auburn Doubledays
- Auckland Warriors
- Audax Italiano
- Augusta GreenJackets
- Augusta Lynx
- Augusta Pirates
- Augusta RiverHawks
- Augusta Stallions
- Austin Aces
- Austin Aztex
- Austin Bold FC
- Austin FC
- Austin FC II
- Austin Ice Bats
- Austin Spurs
- Austin Toros
- Austin Turfcats
- Austin Wranglers
- Austria Klagenfurt
- Austria Lustenau
- Austria Wien
- Austrian Bundesliga
- Avangard Omsk
- AvaÃ
- Avco Cup
- Avellino
- Avtomobilist Yekaterinburg
- BB Erzurumspor
- BC Icemen
- BC Lions
- BK Häcken
- BSC Young Boys
- Bahia
- Bakersfield Blaze
- Bakersfield Blitz
- Bakersfield Condors
- Bakersfield Condors (AHL)
- Bakersfield Dodgers
- Bakersfield Fog
- Bakersfield Jam
- Bakersfield Jammers
- Balikesirspor
- Balmain Tigers
- Baltimore Bandits
- Baltimore Bayhawks
- Baltimore Bays
- Baltimore Blades
- Baltimore Brigade
- Baltimore Bullets
- Baltimore Clippers
- Baltimore Colts
- Baltimore Comets
- Baltimore Lightning
- Baltimore Metros
- Baltimore Orioles
- Baltimore Orioles (1901-1902)
- Baltimore Orioles (IL)
- Baltimore Ravens
- Baltimore Skipjacks
- Baltimore Stallions
- Baltimore Stars
- Baltimore Thunder
- Banfield
- Bangor Blue Ox
- Bangor Lumberjacks
- Barcelona
- Barcelona B
- Barcelona Dragons
- Bari
- Barnechea
- Barnet
- Barnsley
- Barracas Central
- Barrow
- Barys Nur-Sultan
- Baseball City Royals
- Basel
- Bastia
- Batavia Clippers
- Batavia Muckdogs
- Batavia Trojans
- Baton Rouge Blaze
- Baton Rouge Kingfish
- Battle Creek Revolution
- Battle Creek Rumble Bees
- Battle Creek Yankees
- Bay Area Panthers
3,753
pages